22101132779224 has 512 divisors, whose sum is σ = 50345481830400. Its totient is φ = 9014353920000.

The previous prime is 22101132779203. The next prime is 22101132779227. The reversal of 22101132779224 is 42297723110122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22101132779227) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 42420600084 + ... + 42420600604.

It is an arithmetic number, because the mean of its divisors is an integer number (98331019200).

Almost surely, 2^{22101132779224} is an apocalyptic number.

It is an amenable number.

22101132779224 is an abundant number, since it is smaller than the sum of its proper divisors (28244349051176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22101132779224 is a wasteful number, since it uses less digits than its factorization.

22101132779224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915 (or 911 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 43.

Adding to 22101132779224 its reverse (42297723110122), we get a palindrome (64398855889346).

The spelling of 22101132779224 in words is "twenty-two trillion, one hundred one billion, one hundred thirty-two million, seven hundred seventy-nine thousand, two hundred twenty-four".